Small electromagnetic pump via E-Bay

[Clive FosterParticipant @clivefoster55965]

My E-Bay feed threw up a small electromagnetic pump

eBay item number:188629221019

for about £30 which might be of interest to folk investigating coolant application or wanting to improve machine lubrication.

I guess its related to the fuel pumps used in diesel heater and similar applications so its inherently going to deliver far less than conventional rotary coolant pump. Being a pump its likely to do rather better than basic dip feed at getting lubrication or coolant down into a cut.

Clive

 

[Speedy Builder5Participant @speedybuilder5]

Magnetic – iron swarf Mmmm?

Bob

[Speedy Builder5]

On Speedy Builder5 Said:

Magnetic – iron swarf Mmmm?

Bob

Several people are selling them; this is in the instructions for one of them; not the best translation clearly, but does state you need a filter on the input

Specification:

Item Type: Machine Electromagnetic Oil Pump
Material: Stainless steel
Uses: Suitable for small processing machinery (such as lathes, milling machines, grinders)
Specification: Good-quality domestic 220v
Power: 13W
Voltage: AC220V
Inlet Suction: 40KPa
Spit Pressure: 1kgf/cm²
Discharge Volume: 400-500cc/min
How to Use:
1. While replacing the oil pump, please clean up the wastes such as residues in the grease, iron filings.
This will protect the oil pump and keep it from breaking for a long time.
If wastes such as residues and iron filings are not cleaned up before replacement, the oil pump will suck in, which will cause the operation to stop, or even burn the oil pump in severe cases.
2. When a new oil pump is installed for the first time, sometimes the oil pump makes a noise and does not supply oil due to the air in the pump .
At this time, the oil should be injected manually from the inlet of the oil pump when the power is turned on. Just help the air in the oil pump to discharge.

Bill

[Clive FosterParticipant @clivefoster55965]

Having an application for a baby one of these my eyes, briefly, lit up when I saw it. But 500 cc / minute is way too much. I need more like 1 to 5 cc.

If I ever have to do the job “right now” rather than “it would be nice” there are other ways but a baby pulse pump is just more elegant.

Clive

[JasonBModerator @jasonb]

Clive, look at the many peristaltic pumps on bay, either run with the motor provided or change to a gear head motor and vari speed controller if you want. I can get 25cc an hour from mine at it’s slowest speed

Just watch out what you are putting through them as hydrocarbons can swell the tube inside though th elikes of Tygon make replacement tubes that are not affected.

[Clive FosterParticipant @clivefoster55965]

Thanks Jason

Unfortunately a peristaltic pump won’t do the deed as an elegant solution for this particular job for slightly arcane reasons. It needs the punch of this sort of solenoid pump for near instant delivery. Basically a few pulses of oil, pause, then a few more.

What I do works but it would be nice to be fully automated via a simple electrical switch.

Clive

[John HinkleyParticipant @johnhinkley26699]

I recall that John Mills (Doubleboost) on YouTube fitted a programmable system of spray coolant to his mill that delivers a variable amount of “squirt” at regular intervals, the interval being controlled by some electrickery but for the life of me I can’t find the specific video in which he gives a name check.  Perhaps someone else has a better search facility than me.

You can see it in action on his lathe in this video, skip to 3min 40sec in

John

 

[John HinkleyParticipant @johnhinkley26699]

I did a bit more digging and found a quick screenshot of Doubleboost’s misting system. The web site for it is here.

Basic kit is GBP300 PLUS VAT so a lottery win probably needed.  I’d stick with a pot and brush.

John

 

 

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